Don Hardaway, Richard P. Will A Review of Barriers to Expert System Diffusion. [Citation Graph (0, 0)][DBLP] ACM SIGBDP Conference on Trends and Directions in Expert Systems, 1990, pp:619-639 [Conf]
Don Hardaway Sharing research in the 21st century: borrowing a page from open source software. [Citation Graph (0, 0)][DBLP] Commun. ACM, 2005, v:48, n:8, pp:125-128 [Journal]